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Emerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium or sometimes vanadium. [2] Beryl has a hardness of 7.5–8 on the Mohs scale. [2] Most emeralds have many inclusions, [3] so their toughness (resistance to breakage) is classified as generally poor.
Corduliidae. Corduliidae, also knowns as the emeralds, emerald dragonflies, or green-eyed skimmers, is a family of dragonflies. These dragonflies are usually black or dark brown with areas of metallic green or yellow, and most of them have large, emerald-green eyes. The larvae are black, hairy-looking, and usually semiaquatic.
Colombia, located in northern South America, is the country that mines and produces the most emeralds for the global market, as well as the most desirable. It is estimated that Colombia accounts for 70–90% of the world's emerald market. [1] While commercial grade emeralds are quite plentiful, fine and extra fine quality emeralds are extremely ...
Jade. “Long prized across many varied and ancient cultures from ancient China to the Incan and Aztec empires, Jade is a highly valuable gemstone that represents good fortune, luck, and abundance ...
Gemstone. Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or ...
The emeralds from the Atocha are some of the finest emeralds in the world. They come from the Muzo Mine in Colombia. The emeralds of Muzo are renowned for their color, fire and geometry. [7] The State of Florida claimed title to the wreck and forced Fisher's company, Treasure Salvors, Inc., into a contract giving 25% of the found treasure to ...
Emerald, Queensland. Emerald is a rural town and locality in the Central Highlands Region, Queensland, Australia. [2][3] The town is the headquarters for the Central Highlands Regional Council. In the 2021 census, the locality of Emerald had a population of 14,904 people. [1]
Commonly known as cuckoo wasps or emerald wasps, the hymenopteran family Chrysididae is a very large cosmopolitan group (over 3000 described species) of parasitoid or kleptoparasitic wasps, often highly sculptured, [1] with brilliant metallic colors created by structural coloration. [2] They are most diverse in desert regions of the world, as ...